available oxygen meaning in English

有效含氧量
有效氧

A . in situ bioremediation is typically limited by the amount of available oxygen . the more oxygen available , the faster the cleanup
答：这一点在就地生物修复过程中是最典型的。生物修复过程受到溶解氧量的制约，得到的溶解氧越多，生物清除速度越快。
Methods of test for boric acid , boric oxide , disodium tetraborates , sodium perborates and crude sodium borates for industrial use - determination of sodium oxide , boric oxide and available oxygen contents of hydrated sodium perborates
工业用硼酸氧化硼四硼酸二钠高硼酸钠与粗硼酸钠的试验方法.水合过硼酸钠中氧化钠氧化硼和有效氧含量的测定